ZHANG Qi.Growth Dynamic and Physiological Traits of High-yield Population for Shangdou 6[J].Soybean Science,2012,31(06):937-940.[doi:10.3969/j.issn.1000-9841.2012.06.017]
商豆6号高产群体生育动态及生理指标的研究
- Title:
- Growth Dynamic and Physiological Traits of High-yield Population for Shangdou 6
- 文章编号:
- 1000-9841（2012）06-0937-04
- Keywords:
- Shangdou 6; Population growth dynamic; Physiology indexes; Dry matter accumulation and distribution
- 分类号:
- S565.1
- 文献标志码:
- A
- 摘要:
- 研究了商豆6号3 784.5 kg·hm-2产量的群体生育动态及生理指标。结果表明，在密度181 350～191 850株·hm-2、单株成荚65.4～72.3个、单株粒数137.3 ～145.2个、百粒重16.6～17.2 g条件下，均能实现3 800 kg·hm-2的产量；开花至结荚期是植株生长最快的时期，株高日增长2.12 cm；结荚期叶面积指数达最大值（5.72),叶面积变化动态属稳升稳降型；全生育期总光合势2 636 831.83 m2·d，平均净光合生产率4.70 g·m-2·d-1，干物质积累12 393.56 kg·hm-2，粒茎比0.52，经济系数0.31。
- Abstract:
- Shangdou 6 is a new released summer soybean variety.In current research,we investigated the population growth dynamic and some physiological indexes of Shangdou 6 with the yield level of 3 784.5 kg·ha-1.Under the planting density between 181 350 and 191 850 plants·ha-1,pods per plant,seeds per plant and 100-seed weight was 65.4-72.3,137.3-145.2 and 16.6-17.2 g,respectively,soybean seed yield achieved 3 800 kg·ha-1.The growth rate conformed to “S” curve,and the fastest rate was from flowering to podding with plant height daily increased 2.12 cm.Leaf area increased and decreased steadily,the highest leaf area index(5.72)was obtained at podding.In whole growth period,the total photosynthetic potential was 2 636 831.83m?2·d,average net photosynthetic rate was 4.70 g·m-2·d-1.At maturity,dry matter accumulation was 12 393.56 kg·ha-1,seed to stem ratio was 0.52,economic coefficient was 0.31.
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相似文献/References:
[1]张 琪.商豆6号干物质积累和氮磷钾吸收特点的研究[J].大豆科学,2013,32(03):381.[doi:10.11861/j.issn.1000-9841.2013.03.0381]
ZHANG Qi.Characteristics of Dry Matter Accumulation and N P K Absorption of Soybean Shangdou 6[J].Soybean Science,2013,32(06):381.[doi:10.11861/j.issn.1000-9841.2013.03.0381]
备注/Memo
基金项目：国家农业科技成果转化资金（2010GB2D000289)。